HIOS
English

Projects

Open hardware I designed, broke and documented. All the code, schematics and instructions, ready for you to build your own.
BTDAC

BTDAC

Works
"When it finally sounded, I screamed at 2am."
Bluetooth audio receiver con DAC PCM5102 y ESP32. Funciona. Suena bien. Tardé 3 semanas.
3 tutorials12 files
What I learned
I2S audioFuente partidaESP32 Bluetooth A2DP
HIOS PAD

HIOS PAD

Works
"Physical layers for everything I do. No drivers, no cables."
Macropad ESP32-S3 con pantalla, encoder y joystick: teclado/mouse/multimedia HID por USB, BLE y WiFi (auto-switch), con capas por contexto navegables desde la pantalla. Flasheo OTA y feedback real de la PC vía un daemon companion local-first.
What I learned
HID multi-transporte (USB + BLE)OTA wirelessCompanion local-firstFreeRTOS dual-coreNimBLE / TinyUSBUI con TFT_eSprite
WiFi Speaker

WiFi Speaker

WIP
"WiFi + I2S = wireless audio, zero noise."
Parlante WiFi con ESP32, amplificador I2S MAX98357 y control via web.
5 tutorials8 files
What I learned
I2S audioWiFi streamingWeb server ESP32